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Demand Paging
Is this statement correct? " Demad paging can bring entire process into memory at load time" How it is correct? If it is, then anybody can explain it please.
asked
in
Operating System
Dec 6, 2021
1.2k
views
made-easy-test-series
2
votes
1
answer
2
Made Easy test series
int a = 50, b = 50; a = a+++++b; b = b+++++a; Value of b after executing these . I think it should be undefined behaviour. But in answer it is given 155. Can anybody verify it please.
asked
in
Programming in C
Dec 2, 2021
581
views
made-easy-test-series
programming-in-c
bad-question
0
votes
0
answers
3
DAG ( compiler Design)
How Directed acyclic graph would be constructed for this instruction? b[j] = a ;
asked
in
Compiler Design
Oct 28, 2021
581
views
compiler-design
directed-acyclic-graph
1
vote
1
answer
4
Directed acyclic graph
Consider the following three address code: T1= a+b T2= c+d T3=a-b T4= T1+T3 T5= T2+T1 T6 = T5+T4 T7 = c + T6 Number of nodes and edges in DAG of the above code? If we'll do simplification , then T4 would be T4 = a+b+a-b => a+a , after this simplification T3 is not used anywhere in the program, so it can be eliminated or we'll include it in DAG??
asked
in
Compiler Design
Oct 27, 2021
992
views
compiler-design
intermediate-code
three-address-code
1
vote
1
answer
5
Compiler Design (register allocation)
In such questions, In which it is asked " minimum number of registers required for executing this three address code without spilling", can we apply code motion optimization or not? As in a question of made easy test series : T1 = a; ... = R1} So,which one is correct, made easy one or second one applying code motion? Can anybody please clarify this.
asked
in
Compiler Design
Oct 27, 2021
522
views
compiler-design
intermediate-code
three-address-code
made-easy-test-series
0
votes
1
answer
6
LR(k) and CFL
I am quite confused in this . I have seen in many answers related to LR(k), that DCFL have one to one correspondence with LR(k) grammars. Means if a language is DCFL then it would definitely have a LR(k) grammar and if there is an LR(k) ... any ncfl. So, how for some unambiguous ncfl there exists an LR(k) grammar??? Please someone can provide a correct argument regarding this.
asked
in
Theory of Computation
Sep 19, 2021
609
views
0
votes
1
answer
7
CFL or DCFL?
Is the language L = {a^nb^m : n = m or n = m + 2} deterministic? Please anybody can clarify it.
asked
in
Theory of Computation
Sep 17, 2021
279
views
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